Tamperproof secondary closure



June 28, 1938.. J REGAN 2,122,294-

TAMPERPROOF SECONDARY CLOSURE Filed Aug. 8, 1956 INVENTOR JZ/m 21220 0272 BY 6 ATTORNEY Patented June 28, 1938 1 v v UNITED STATES PATENT orrlee TAMPERPROOF SECONDARY CLOSURE John E. Regan, Elmhurst, N. Y., assignor to Reynolds Metals Company, New York, N. Y., a corporation of Delaware Application August 8, 1936, Serial No. 94,898

2 Claims. (Cl. 215-42) This invention relates to tamper-proof seals of detached from the band portion, said top porthe type which when placed on the bottle or other tion being illustrated by a vertical section. container cannot be wholly removed therefrom Referring to the drawing, a bottleneck ill is Without breaking the bottle or container, or deprovided with a flat topped lug cap H, which stroying a portion of the seal, and also relates to latter is secured to the bottle neck by glass pro- 5 a particular form of container neck especially J'ections I 2. Instead of lug cap it it is obvious adapted for use with such a seal. that various classes of caps or stoppers could be An object of this invention is the provision of efficiently employed. A secondary closure or seal a tamper-proof seal adapted to form a secondary p se of an pp p portion and a lo closure upon a capped or stoppered bottle, which lower band portion I5 is positioned above the cap seal is formed in two parts: a top part which is in a manner ad p to encompass the Cap and detached or torn away when the bottle or cona portion of the bottle neck ii), and is secured to tainer is initially opened and a bottle or band the bottle neck I!) by having a portion of the band portion which is relatively permanently placed 5sp n i annular groove It f the bottle n upon the bottl o ontain r preferably by bei 10. Annular groove it formed in the bottle neck 15 spun into a grooved recess of a container neck. a an pp shouldered portion H formed A further object of this invention is to so form With corrugations against Whieh e d 55 the upper cap portion and the lower or band poris spu h ro ve 6 has a l wer hollowed ou tion integrally and in such a manner that the cap P o indicated s W, Which hollowed out D portion is easily separated therefrom and sothat tion permits the Sp Without te e e ce f there will b n exposed jagged or raw edges the lower edge identified as |9-A of band It. which might cut the hands of users of the con- The upper p 20 of h d s l d back o tainers, by means of forming slits and relatively itself to provide an annular groove indicated s weak bridge members between the upper portion between upper p and band i p p and the band portion Within a grooved recess. It may ve its skirt portion indicated s 22 25 A further object of my invention is to so form formed With corrugations pp p and the bottle or container neck of a portion of a seal the hand are formed integrally o t n of the class described that it may be readily spun may be s y detached f o t e other nd are i position upon such k and will remain in slitted one from the other by circular slits 24 fixed relation in respect thereto, the combination (best Seen in 3) which are formed at the v 0 of container neck, cap and secondary closure annular groove 24 but Harrow bridge por io s being economical to manufacture and attractive indicated as 25 are left to connect the tWo P and ffi ie t i design tions of the seal. It will be noted that the bridge These and Various other bje t and advanportions or members 25 are located at the bottom tages will be readily understood from the followof groove whereby when the n portion of ing description taken in connection with the acthe seal is detached by twisting a jagged companying drawing of a pr fer ed embodiment sheered edges of bridge members 25 are shielded of the invention in which however modifications from the hands of users 0f the container by the may be made without departing from the scope 9? Foldewback part 29 of the band Band 40 of the appended claims. I5 15 intended for more or less permanent en- 40 In the drawing gagement upon the bottle neck and is only re- Fig. l is a perspective view of a secondary clomoved by the manuf?'cturer fining companies sure, or seal, which embodies my invention; m h evetlt of refiumg the contamer' Fig. 2 is a vertical section taken on the line It.ls Obvlous that seal of the type described of F1 g herein may be made of various types and thick- 45 nesses of sheet metal, but I have found that Fig. 3 IS a plan view of the seal illustrated in annealed Sheet aluminum thick may Fig. 1;

Fig. 4 is a vertical cross section of a container g Ti 21 3 Satlsfactomy' neck prefert'ed of i and Secondary 010' 1. A tamper-proof secondary bottle closure of 50 sure embodying my 1nvent1on' circular cross section formed of thin sheet metal Fig. 5 1s a horizontal cross section taken on the from an integral blank comprising a band p01 lme 5-5 of mg 45 and tion adapted to be mounted relatively perma- Fig. is a side elevation of the device illusnently upon container neck w a groove by trated 111 4 W the p portion of the Seal having a lower portion spun into said groove, 55

said band portion having substantially a vertical side wall terminating in an internal vertical turnback, a cap portion of narrower circular cross section than said band portion adapted to overlie a primary closure having a vertical side wall and extending downwardly inside said turnback, and rupturable connective means joining the lower edge of the side wall of the cap portion to the edge of said turnback, whereby when the cap portion is removed, the turnback of the band portion shields ruptured edges of said rupturable connective means.

2. A closure as defined in claim 1 wherein said rupturable connective means comprise narrow bridge members.

. JOHN E. REGAN. 

